Mac Os X Restore Disk Download Updated

April 07, 2022 Post a Comment

Mac Os X Restore Disk Download

Your Mac is failing to boot up properly due to some unknown glitch, so there's no way to access the operating system or even get your data off the hard drive. A bootable USB drive, which contains a copy of the operating system, can salvage the day. This will allow you to bank check your drive for errors, restore a recent Time Machine fill-in, and—if the drive is nevertheless physically working—reinstall the operating system to give information technology a fresh starting time.

Get-go, y'all will need a USB flash drive or external difficult drive formatted as Mac OS Extended, with at least 14GB of available space. You besides need a downloaded installer for macOS Large Sur, or a previous version of macOS if you wish to use that instead. The process supports several past macOS versions, including Catalina, Mojave, Loftier Sierra, and El Capitan.

Reformat USB Flash Bulldoze

To create the bootable installer, plug the USB drive into your current Mac. Click the Go card and select Utilities. Open up Disk Utility, select the USB bulldoze, and click the Erase icon. You can name the USB bulldoze if yous wish. To simplify the process, cull a short name with no spaces. Change the format to Mac OS Extended (Journaled). Click Erase. Afterwards the drive has been erased and reformatted, click Washed.

Download Operating Arrangement

Your adjacent stride is to download and install macOS to the USB bulldoze. To do this, click one of the following links on your Mac, depending on which version of macOS yous desire to utilise:

Click the button to View in Mac App Store, then click the Go button. At the App Store, click Get and so click the Download push button.

If the installer window opens later downloading the Os, shut it by clicking the Install macOS menu and selecting Quit install macOS.

Create Bootable Disc

Brand certain the USB drive is still connected to your Mac. Return to the Utilities folder on your Mac and open up the Last app. At the Terminal prompt, type one of the following commands, depending on your version of macOS. Supersede the string My Volume with the volume name of your USB drive.

macOS Big Sur: sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resource/createinstallmedia --volume /Volumes/MyVolume
macOS Catalina: sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resource/createinstallmedia --volume /Volumes/MyVolume
macOS Mojave: sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resource/createinstallmedia --volume /Volumes/MyVolume
macOS High Sierra: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
OS X El Capitan: sudo /Applications/Install\ Os\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --book /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ 10\ El\ Capitan.app

Press Return afterwards you lot type the command. You'll exist prompted to enter a password. This is not the password for the account that you use to log in. Rather, it'south the password for the root user on your Mac. If you don't know the countersign for the root user, follow this Apple support folio to larn how to change this password.

Type the password and so press Render. Note that Terminal won't brandish any characters as you type the password. Terminal tells you that it needs to erase the volume. Type Y to confirm and then printing Return.

Concluding tells yous that the disk is existence erased and displays the progress. The program and then indicates that the necessary files are being copied to the disk. Be patient at this signal every bit the copy process takes a very long time. As the process wraps up, Terminal tells you lot that it's making the disc bootable.

Finally, it indicates that the book for your USB bulldoze at present has the aforementioned name every bit the installer yous used, such as Install macOS Big Sur. You can now close Terminal and eject the USB bulldoze.

Reinstall macOS

Now, let'southward say at some future appointment that your Mac is misbehaving and has trouble booting upwardly. Insert the USB drive and power up the car. Hold the Selection key as you lot practice then, then release the Selection cardinal when a dark screen appears displaying your bootable volumes. Select the volume for your bootable USB drive, and then click the upwards arrow or press Return. Your Mac will then reboot.

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An error bulletin may appear showing that the security settings do not allow it to apply an external startup disk. If you bump into this message, follow the prompts to restart, then concur downward Control+R to open macOS Recovery. Click the Utilities menu and cull Startup Security Utility. Enter the password you employ to sign into this Mac. In the Allowed Kick Media section, modify the option to Permit booting from external or removable media.

Click the Apple tree carte du jour and select Restart, then hold down the Option key while your Mac reboots. Select the volume for your bootable USB bulldoze, then click the up arrow or press Return. Later your system restarts, you're placed at the macOS Recovery screen. Hither, yous have a few options.

To check your unbootable difficult drive, open Deejay Utility. Click your hard bulldoze book and select Beginning Help. This will check your drive for errors and repair whatever that it finds. Click the Run button to trigger the scan and repair. Click done when the procedure finishes and return to the macOS Recovery screen.

If you lot have an internet connection and want to run an online search related to your problem, click the Safari icon to access the web. When washed, go back to the macOS Recovery screen.

Y'all tin can and so restore a recent backup from Time Machine. If your system is still malfunctioning and you have no recent backup, you can reinstall macOS from your USB drive.

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